[AK4648]
PIN/FUNCTION
No.
A1, D4,
D5, E4,
E5, G1
G7
A2
A4
A5
A6
A7
B1
B2
B3, C1
B4
B5
B6
B7
C2
C4
C5
C6
C7
D1
D2
D3
D6
D7
E1
E2
E3
E6
E7
F1
F2, G2
F3
F4
F5
Pin Name
NC
HVDD
SPRP
ROUT
LON
LIN4
IN4+
TEST
SPLN
SPLP
VSS2
SPRN
LOUT
LOP
RIN2
IN2−
VCOM
HVCM
RIN4
IN4−
LIN2
IN2+
MIN
LIN3
AVDD
MUTET
HPR
HPL
VSS1
LIN1
IN1−
VSS3
PDN
DVDD
VCOC
RIN3
MPWR
MCKI
TVDD
SDTO
SDA
RIN1
IN1+
I/O
-
-
O
O
O
I
I
O
O
O
-
O
O
O
I
I
O
O
I
I
I
I
I
I
-
O
O
O
-
I
I
-
I
-
O
I
O
I
-
O
I/O
I
I
Function
No Connection Pin
This should be connected to ground (VSS1, VSS2 or VSS3 pin).
Headphone Amp Power Supply Pin, 2.6
∼
5.0V
Rch Speaker-Amp Positive Output Pin
Rch Stereo Line Output Pin (LODIF bit = “0”: Single-ended Stereo Output)
Negative Line Output Pin (LODIF bit = “1”: Full-differential Mono Output)
Lch Analog Input 4 Pin (L4DIF bit = “0”: Single-ended Input)
Positive Line Input 4 Pin (L4DIF bit = “1”: Full-differential Input)
Test Pin
This pin should be open.
Lch Speaker-Amp Negative Output Pin
Lch Speaker-Amp Positive Output Pin
Ground 2 Pin
Rch Speaker-Amp Negative Output Pin
Lch Stereo Line Output Pin (LODIF bit = “0”: Single-ended Stereo Output)
Positive Line Output Pin (LODIF bit = “1”: Full-differential Mono Output)
Rch Analog Input 2 Pin (MDIF2 bit = “0”: Single-ended Input)
Microphone Negative Input 2 Pin (MDIF2 bit = “1”: Full-differential Input)
Common Voltage Output Pin, 0.45 x AVDD
Bias voltage of ADC inputs and DAC outputs.
Headphone-Amp Common Voltage Output Pin
Rch Analog Input 4 Pin (L4DIF bit = “0”: Single-ended Input)
Negative Line Input 4 Pin (L4DIF bit = “1”: Full-differential Input)
Lch Analog Input 2 Pin (MDIF2 bit = “0”: Single-ended Input)
Microphone Positive Input 2 Pin (MDIF2 bit = “1”: Full-differential Input)
Mono Signal Input Pin (AIN3 bit = “0”: PLL is available.)
Lch Analog Input 3 Pin (AIN3 bit = “1”: PLL is not available.)
Analog Power Supply Pin, 2.6
∼
3.6V
Mute Time Constant Control Pin
Connected to VSS2 pin with a capacitor for mute time constant.
Rch Headphone-Amp Output Pin
Lch Headphone-Amp Output Pin
Ground 1 Pin
Lch Analog Input 4 Pin (MDIF1 bit = “0”: Single-ended Input)
Microphone Negative Input 1 Pin (MDIF1 bit = “1”: Full-differential Input)
Ground 3 Pin
Power-Down Mode Pin
“H”: Power-up, “L”: Power-down, reset and initializes the control register.
Digital Power Supply Pin, 2.6
∼
3.6V
Output Pin for Loop Filter of PLL Circuit (AIN3 bit = “0”: PLL is available.)
This pin should be connected to VSS1 with one resistor and capacitor in series.
Rch Analog Input 3 Pin (AIN3 bit = “1”: PLL is not available.)
MIC Power Supply Pin
External Master Clock Input Pin
Digital I/O Power Supply Pin, 1.6
∼
3.6V
Audio Serial Data Output Pin
Control Data Input/Output Pin
Rch Analog Input 1 Pin (MDIF1 bit = “0”: Single-ended Input)
Microphone Positive Input 1 Pin (MDIF1 bit = “1”: Full-differential Input)
MS0625-E-01
-7-
2007/06
AKM [ ASAHI KASEI MICROSYSTEMS ]
